GERMINATION CHARACTERS AND SEED RESERVE MOBILIZATION DURING GERMINATION OF DIFFERENT WHEAT GENOTYPES UNDER VARIABLE TEMPERATURE REGIMES
نویسندگان
چکیده
منابع مشابه
Seed Germination and Reserve Mobilization
Germination incorporates events that commence with the uptake of water (imbibition) by the quiescent dry seed and terminates with the emergence of the embryonic axis, usually the radicle. It is a time of intensemetabolic activity, involving subcellular structural changes, respiration, macromolecular syntheses and, finally, cell elongation. Establishment of the seedling occurs following germinat...
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rapid germination is an important factor determining the final yield. the most important abiotic stress threatening lentils is drought and temperature. therefore, this study was performed with the aim of investigating effects various thermal treatments (5, 10, 15, 20, 25 and 30°c) and four levels of drought (0, -4, -8, -12 and -16 bar) on percentage and germination rate of lentil genotypes. a s...
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Abstract Zygophyllum fabago L. a facultative Perennial halophyte, is grown in arid and inert areas. Due to the different acidity of the soil in natural habitats of Zygophyllum, the effect of pH on the process of seed reserves decomposition during germination was examined. The experiment was conducted in a completely randomized design with seven pH levels (4, 5, 6, 7, 8, 9 and 10) and f...
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The great majority of seeds from higher plants fail to germinate under anoxic conditions. While the metabolic pathways operating during the aerobic process of seed germination are well described, there is only limited evidence concerning metabolic pathways operating under conditions of limited oxygen availability. This is despite the importance of carbohydrate availability for plant tolerance t...
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Phytochrome control of cucumber seed germination is temperature-dependent. A prolonged exposure to radiation from broad spectrum far red sources (Pfr/P = 0.05 to 0.07) prevents germination at temperatures below 20 C. Above 20 C there is no inhibition and it appears as if there is an escape from phytochrome control. However, radiation from a monochromatic, narrow band 730 nanometer source (Pfr/P...
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ژورنال
عنوان ژورنال: Journal of the National Science Foundation of Sri Lanka
سال: 2004
ISSN: 2362-0161,1391-4588
DOI: 10.4038/jnsfsr.v32i3-4.2429